kopia lustrzana https://github.com/espressif/esp-idf
Merge branch 'bugfix/perfmon_s3_v4.4' into 'release/v4.4'
perfmon: re-enable example for ESP32-S3, remove warning from the docs (v4.4) See merge request espressif/esp-idf!17042pull/8460/head
commit
c2a6f0fe29
|
@ -1,15 +1,7 @@
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Performance Monitor
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===================
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.. only:: esp32s3
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.. warning::
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This feature is not supported in v4.4
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The Performance Monitor component provides APIs to use {IDF_TARGET_NAME} internal performance counters to profile functions and
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applications.
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The Performance Monitor component provides APIs to use {IDF_TARGET_NAME} internal performance counters to profile functions and applications.
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Application Example
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-------------------
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|
|
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@ -1,5 +1,5 @@
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| Supported Targets | ESP32 | ESP32-S2 |
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| ----------------- | ----- | -------- |
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| Supported Targets | ESP32 | ESP32-S2 | ESP32-S3 |
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| ----------------- | ----- | -------- | -------- |
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# Performance Monitor (`perfmon`) example
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@ -16,13 +16,7 @@ The example contain test function that will be executed with perfmon component a
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### Hardware Required
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Example should be able to run on any commonly available ESP32 development board.
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### Configure the project
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```
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idf.py menuconfig
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```
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Example should be able to run on any commonly available ESP32, ESP32-S2 or ESP32-S3 development board. `perfmon` component isn't supported on Espressif chips with RISC-V CPU architecture.
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### Build and Flash
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@ -36,333 +30,339 @@ See the [Getting Started Guide](https://docs.espressif.com/projects/esp-idf/en/l
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## Example Output
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1. Example starts and call first test. The first test call test function 'exec_test_function'
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1. Example starts and calls the first test. This test calls the test function `exec_test_function` 200 times and collects all CPU performance metrics.
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```bash
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I (288) example: Start
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I (288) example: Start test with printing all available statistic
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Value = 750, select = 0, mask = 0001. Counts cycles.
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Amount of cycles
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Value = 0, select = 1, mask = 0001. Overflow of counter.
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Overflow counter
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Value = 0, select = 2, mask = 0001. Successfully Retired Instructions.
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JX instructions
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Value = 0, select = 2, mask = 0002. Successfully Retired Instructions.
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CALLXn instructions
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Value = 3, select = 2, mask = 0004. Successfully Retired Instructions.
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return instructions (RET, RETW, ...)
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Value = 0, select = 2, mask = 0008. Successfully Retired Instructions.
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supervisor return instructions (RFDE, RFE, RFI, RFWO, RFWU)
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Value = 100, select = 2, mask = 0010. Successfully Retired Instructions.
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Conditional branch instructions where execution
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transfers to the target (aka. taken branch),
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or loopgtz/loopnez instr where execution skips
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the loop (aka. not-taken loop)
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Value = 0, select = 2, mask = 0020. Successfully Retired Instructions.
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J instr
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Value = 1, select = 2, mask = 0040. Successfully Retired Instructions.
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CALLn instr
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Value = 0, select = 2, mask = 0080. Successfully Retired Instructions.
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Conditional branch instr where execution
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falls through (aka. not-taken branch)
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Value = 0, select = 2, mask = 0100. Successfully Retired Instructions.
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Loop instr where execution falls into loop (aka. taken loop)
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Value = 0, select = 2, mask = 0400. Successfully Retired Instructions.
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Last inst of loop and execution transfers
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to LBEG (aka. loopback taken)
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Value = 0, select = 2, mask = 0800. Successfully Retired Instructions.
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Last inst of loop and execution falls
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through to LEND (aka. loopback fallthrough)
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Value = 309, select = 2, mask = 8000. Successfully Retired Instructions.
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Non-branch instr (aka. non-CTI)
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Value = 0, select = 3, mask = 0002. Data-related GlobalStall cycles.
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Store buffer full stall
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Value = 0, select = 3, mask = 0004. Data-related GlobalStall cycles.
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Store buffer conflict stall
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Value = 0, select = 3, mask = 0008. Data-related GlobalStall cycles.
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Data Cache-miss stall (unused)
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Value = 0, select = 3, mask = 0010. Data-related GlobalStall cycles.
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Data RAM/ROM/XLMI busy stall
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Value = 0, select = 3, mask = 0020. Data-related GlobalStall cycles.
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Data inbound-PIF request stall (includes s32c1i)
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Value = 0, select = 3, mask = 0040. Data-related GlobalStall cycles.
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MHT lookup stall
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Value = 0, select = 3, mask = 0080. Data-related GlobalStall cycles.
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Uncached load stall (included in MHT lookup stall below)
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Value = 0, select = 3, mask = 0100. Data-related GlobalStall cycles.
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Bank-conflict stall
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Value = 0, select = 4, mask = 0001. Instruction-related and Other Glob
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alStall cycles.
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ICache-miss stall
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Value = 0, select = 4, mask = 0002. Instruction-related and Other Glob
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alStall cycles.
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Instruction RAM/ROM busy stall
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Value = 0, select = 4, mask = 0004. Instruction-related and Other Glob
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alStall cycles.
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Instruction RAM inbound-PIF request stall
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Value = 0, select = 4, mask = 0008. Instruction-related and Other Glob
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alStall cycles.
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TIE port stall
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Value = 0, select = 4, mask = 0010. Instruction-related and Other Glob
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alStall cycles.
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External RunStall signal status
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Value = 0, select = 4, mask = 0020. Instruction-related and Other Glob
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alStall cycles.
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Uncached fetch stall
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Value = 1, select = 4, mask = 0040. Instruction-related and Other Glob
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alStall cycles.
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FastL32R stall
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Value = 0, select = 4, mask = 0080. Instruction-related and Other Glob
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alStall cycles.
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Iterative multiply stall
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Value = 0, select = 4, mask = 0100. Instruction-related and Other Glob
|
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alStall cycles.
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Iterative divide stall
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Value = 0, select = 5, mask = 0001. Exceptions and Pipeline Replays.
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Other Pipeline Replay (i.e. excludes cache miss etc.)
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Value = 0, select = 5, mask = 0002. Exceptions and Pipeline Replays.
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Level-1 interrupt
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Value = 0, select = 5, mask = 0004. Exceptions and Pipeline Replays.
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Greater-than-level-1 interrupt
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Value = 0, select = 5, mask = 0008. Exceptions and Pipeline Replays.
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Debug exception
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Value = 0, select = 5, mask = 0010. Exceptions and Pipeline Replays.
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NMI
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Value = 0, select = 5, mask = 0020. Exceptions and Pipeline Replays.
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Window exception
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Value = 0, select = 5, mask = 0040. Exceptions and Pipeline Replays.
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Allocate exception
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Value = 0, select = 5, mask = 0080. Exceptions and Pipeline Replays.
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Other exceptions
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Value = 0, select = 5, mask = 0100. Exceptions and Pipeline Replays.
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HW-corrected memory error
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Value = 0, select = 6, mask = 0001. Hold and Other Bubble cycles.
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Processor domain PSO bubble
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Value = 0, select = 6, mask = 0004. Hold and Other Bubble cycles.
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R hold caused by Data Cache miss(unused)
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Value = 0, select = 6, mask = 0008. Hold and Other Bubble cycles.
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R hold caused by Store release
|
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Value = 0, select = 6, mask = 0010. Hold and Other Bubble cycles.
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R hold caused by register dependency
|
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Value = 0, select = 6, mask = 0020. Hold and Other Bubble cycles.
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R hold caused by MEMW, EXTW or EXCW
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Value = 0, select = 6, mask = 0040. Hold and Other Bubble cycles.
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R hold caused by Halt instruction (TX only)
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Value = 322, select = 6, mask = 0080. Hold and Other Bubble cycles.
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CTI bubble (e.g. branch delay slot)
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Value = 0, select = 6, mask = 0100. Hold and Other Bubble cycles.
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WAITI bubble i.e. a cycle spent in WaitI power down mode.
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Value = 417, select = 7, mask = 0001. Instruction TLB Accesses (per inst
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ruction retiring).
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ITLB Hit
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Value = 0, select = 7, mask = 0002. Instruction TLB Accesses (per inst
|
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ruction retiring).
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Replay of instruction due to ITLB miss
|
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Value = 0, select = 7, mask = 0004. Instruction TLB Accesses (per inst
|
||||
ruction retiring).
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HW-assisted TLB Refill completes
|
||||
Value = 0, select = 7, mask = 0008. Instruction TLB Accesses (per inst
|
||||
ruction retiring).
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ITLB Miss Exception
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Value = 0, select = 8, mask = 0001. Instruction Memory Accesses (per i
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nstruction retiring).
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Instruction Cache Hit
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Value = 0, select = 8, mask = 0002. Instruction Memory Accesses (per i
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nstruction retiring).
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Instruction Cache Miss
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Value = 420, select = 8, mask = 0004. Instruction Memory Accesses (per i
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nstruction retiring).
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All InstRAM or InstROM accesses
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Value = 0, select = 8, mask = 0008. Instruction Memory Accesses (per i
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nstruction retiring).
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Bypass (i.e. uncached) fetch
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Value = 3, select = 9, mask = 0001. Data TLB Accesses.
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DTLB Hit
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Value = 0, select = 9, mask = 0002. Data TLB Accesses.
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Replay of load/store due to DTLB miss
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Value = 0, select = 9, mask = 0004. Data TLB Accesses.
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HW-assisted TLB Refill completes
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Value = 0, select = 9, mask = 0008. Data TLB Accesses.
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DTLB Miss Exception
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Value = 0, select = 10, mask = 0001. Load Instruction (Data Memory).
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Data Cache Hit(unused)
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Value = 0, select = 10, mask = 0002. Load Instruction (Data Memory).
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Data Cache Miss(unused)
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Value = 3, select = 10, mask = 0004. Load Instruction (Data Memory).
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Load from local memory i.e. DataRAM, DataROM, InstRAM, InstROM
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Value = 0, select = 10, mask = 0008. Load Instruction (Data Memory).
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Bypass (i.e. uncached) load
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Value = 0, select = 13, mask = 0001. Load Instruction (Data Memory).
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Data Cache Hit(unused)
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Value = 0, select = 13, mask = 0002. Load Instruction (Data Memory).
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Data Cache Miss(unused)
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Value = 0, select = 13, mask = 0004. Load Instruction (Data Memory).
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Load from local memory i.e. DataRAM, DataROM, InstRAM, InstROM
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Value = 0, select = 13, mask = 0008. Load Instruction (Data Memory).
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Bypass (i.e. uncached) load
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Value = 0, select = 16, mask = 0001. Load Instruction (Data Memory).
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Data Cache Hit (unused)
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Value = 0, select = 16, mask = 0002. Load Instruction (Data Memory).
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Data Cache Miss (unused)
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Value = 0, select = 16, mask = 0004. Load Instruction (Data Memory).
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Load from local memory i.e. DataRAM, DataROM, InstRAM, InstROM
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Value = 0, select = 16, mask = 0008. Load Instruction (Data Memory).
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Bypass (i.e. uncached) load
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Value = 0, select = 11, mask = 0001. Store Instruction (Data Memory).
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Data Cache Hit (unused)
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Value = 0, select = 11, mask = 0002. Store Instruction (Data Memory).
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Data Cache Miss (unused)
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Value = 0, select = 11, mask = 0004. Store Instruction (Data Memory).
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Store to local memory i.e. DataRAM, InstRAM
|
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Value = 0, select = 11, mask = 0008. Store Instruction (Data Memory).
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PIF Store
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Value = 0, select = 14, mask = 0001. Store Instruction (Data Memory).
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Data Cache Hit(unused)
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Value = 0, select = 14, mask = 0002. Store Instruction (Data Memory).
|
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Data Cache Miss(unused)
|
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Value = 0, select = 14, mask = 0004. Store Instruction (Data Memory).
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Store to local memory i.e. DataRAM, InstRAM
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Value = 0, select = 14, mask = 0008. Store Instruction (Data Memory).
|
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PIF Store
|
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Value = 0, select = 17, mask = 0001. Store Instruction (Data Memory).
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Data Cache Hit (unused)
|
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Value = 0, select = 17, mask = 0002. Store Instruction (Data Memory).
|
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Data Cache Miss (unused)
|
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Value = 0, select = 17, mask = 0004. Store Instruction (Data Memory).
|
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Store to local memory i.e. DataRAM, InstRAM
|
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Value = 0, select = 17, mask = 0008. Store Instruction (Data Memory).
|
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PIF Store
|
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Value = 0, select = 12, mask = 0001. Accesses to Data Memory (Load, Sto
|
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re, S32C1I, ...).
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Cache Miss
|
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Value = 0, select = 15, mask = 0001. Accesses to Data Memory (Load, Sto
|
||||
re, S32C1I, ...).
|
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Cache Miss
|
||||
Value = 0, select = 18, mask = 0001. Accesses to Data Memory (Load, Sto
|
||||
re, S32C1I, ...).
|
||||
Cache Miss
|
||||
Value = 415, select = 22, mask = 0001. Multiple Load/Store.
|
||||
0 stores and 0 loads
|
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Value = 3, select = 22, mask = 0002. Multiple Load/Store.
|
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0 stores and 1 loads
|
||||
Value = 0, select = 22, mask = 0004. Multiple Load/Store.
|
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1 stores and 0 loads
|
||||
Value = 0, select = 22, mask = 0008. Multiple Load/Store.
|
||||
1 stores and 1 loads
|
||||
Value = 0, select = 22, mask = 0010. Multiple Load/Store.
|
||||
0 stores and 2 loads
|
||||
Value = 0, select = 22, mask = 0020. Multiple Load/Store.
|
||||
2 stores and 0 loads
|
||||
Value = 0, select = 23, mask = 0001. Outbound PIF.
|
||||
Castout
|
||||
Value = 0, select = 23, mask = 0002. Outbound PIF.
|
||||
Prefetch
|
||||
Value = 0, select = 24, mask = 0001. Inbound PIF.
|
||||
Data DMA
|
||||
Value = 0, select = 24, mask = 0002. Inbound PIF.
|
||||
Instruction DMA
|
||||
Value = 0, select = 26, mask = 0001. Prefetch.
|
||||
I prefetch-buffer-lookup hit
|
||||
Value = 0, select = 26, mask = 0002. Prefetch.
|
||||
D prefetch-buffer-lookup hit
|
||||
Value = 0, select = 26, mask = 0004. Prefetch.
|
||||
I prefetch-buffer-lookup miss
|
||||
Value = 0, select = 26, mask = 0008. Prefetch.
|
||||
D prefetch-buffer-lookup miss
|
||||
Value = 0, select = 26, mask = 0020. Prefetch.
|
||||
Direct fill to (L1) Data Cache (unused)
|
||||
Value = 0, select = 27, mask = 0001. iDMA.
|
||||
active cycles
|
||||
Value = 0, select = 28, mask = 0001. Length of Instructions.
|
||||
16-bit
|
||||
Value = 0, select = 28, mask = 0002. Length of Instructions.
|
||||
24-bit
|
||||
Value = 0, select = 28, mask = 0004. Length of Instructions.
|
||||
32-bit
|
||||
Value = 0, select = 28, mask = 0008. Length of Instructions.
|
||||
40-bit
|
||||
Value = 0, select = 28, mask = 0010. Length of Instructions.
|
||||
48-bit
|
||||
Value = 0, select = 28, mask = 0020. Length of Instructions.
|
||||
56-bit
|
||||
Value = 0, select = 28, mask = 0040. Length of Instructions.
|
||||
64-bit
|
||||
Value = 0, select = 28, mask = 0080. Length of Instructions.
|
||||
72-bit
|
||||
Value = 0, select = 28, mask = 0100. Length of Instructions.
|
||||
80-bit
|
||||
Value = 0, select = 28, mask = 0200. Length of Instructions.
|
||||
88-bit
|
||||
Value = 0, select = 28, mask = 0400. Length of Instructions.
|
||||
96-bit
|
||||
Value = 0, select = 28, mask = 0800. Length of Instructions.
|
||||
104-bit
|
||||
Value = 0, select = 28, mask = 1000. Length of Instructions.
|
||||
112-bit
|
||||
Value = 0, select = 28, mask = 2000. Length of Instructions.
|
||||
120-bit
|
||||
Value = 0, select = 28, mask = 4000. Length of Instructions.
|
||||
128-bit
|
||||
```
|
||||
|
||||
2. Example calls second test.
|
||||
<details><summary>Example log output:</summary>
|
||||
|
||||
```
|
||||
I (1588) example: Start test with user defined statistic
|
||||
Value = 743, select = 0, mask = 0001. Counts cycles.
|
||||
Amount of cycles
|
||||
Value = 417, select = 2, mask = 8dff. Successfully Retired Instructions.
|
||||
I (288) example: Start
|
||||
I (288) example: Start test with printing all available statistic
|
||||
Value = 750, select = 0, mask = 0001. Counts cycles.
|
||||
Amount of cycles
|
||||
Value = 0, select = 1, mask = 0001. Overflow of counter.
|
||||
Overflow counter
|
||||
Value = 0, select = 2, mask = 0001. Successfully Retired Instructions.
|
||||
|
||||
JX instructions
|
||||
Value = 0, select = 2, mask = 0002. Successfully Retired Instructions.
|
||||
|
||||
CALLXn instructions
|
||||
Value = 3, select = 2, mask = 0004. Successfully Retired Instructions.
|
||||
|
||||
return instructions (RET, RETW, ...)
|
||||
Value = 0, select = 2, mask = 0008. Successfully Retired Instructions.
|
||||
|
||||
supervisor return instructions (RFDE, RFE, RFI, RFWO, RFWU)
|
||||
Value = 100, select = 2, mask = 0010. Successfully Retired Instructions.
|
||||
|
||||
Conditional branch instructions where execution
|
||||
transfers to the target (aka. taken branch),
|
||||
or loopgtz/loopnez instr where execution skips
|
||||
the loop (aka. not-taken loop)
|
||||
Value = 0, select = 2, mask = 0020. Successfully Retired Instructions.
|
||||
|
||||
J instr
|
||||
Value = 1, select = 2, mask = 0040. Successfully Retired Instructions.
|
||||
|
||||
CALLn instr
|
||||
Value = 0, select = 2, mask = 0080. Successfully Retired Instructions.
|
||||
|
||||
Conditional branch instr where execution
|
||||
falls through (aka. not-taken branch)
|
||||
Value = 0, select = 2, mask = 0100. Successfully Retired Instructions.
|
||||
|
||||
Loop instr where execution falls into loop (aka. taken loop)
|
||||
Value = 0, select = 2, mask = 0400. Successfully Retired Instructions.
|
||||
|
||||
Last inst of loop and execution transfers
|
||||
to LBEG (aka. loopback taken)
|
||||
Value = 0, select = 2, mask = 0800. Successfully Retired Instructions.
|
||||
|
||||
Last inst of loop and execution falls
|
||||
through to LEND (aka. loopback fallthrough)
|
||||
Value = 309, select = 2, mask = 8000. Successfully Retired Instructions.
|
||||
|
||||
Non-branch instr (aka. non-CTI)
|
||||
Value = 0, select = 3, mask = 0002. Data-related GlobalStall cycles.
|
||||
Store buffer full stall
|
||||
Value = 0, select = 3, mask = 0004. Data-related GlobalStall cycles.
|
||||
Store buffer conflict stall
|
||||
Value = 0, select = 3, mask = 0008. Data-related GlobalStall cycles.
|
||||
Data Cache-miss stall (unused)
|
||||
Value = 0, select = 3, mask = 0010. Data-related GlobalStall cycles.
|
||||
Data RAM/ROM/XLMI busy stall
|
||||
Value = 0, select = 3, mask = 0020. Data-related GlobalStall cycles.
|
||||
Data inbound-PIF request stall (includes s32c1i)
|
||||
Value = 0, select = 3, mask = 0040. Data-related GlobalStall cycles.
|
||||
MHT lookup stall
|
||||
Value = 0, select = 3, mask = 0080. Data-related GlobalStall cycles.
|
||||
Uncached load stall (included in MHT lookup stall below)
|
||||
Value = 0, select = 3, mask = 0100. Data-related GlobalStall cycles.
|
||||
Bank-conflict stall
|
||||
Value = 0, select = 4, mask = 0001. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
ICache-miss stall
|
||||
Value = 0, select = 4, mask = 0002. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
Instruction RAM/ROM busy stall
|
||||
Value = 0, select = 4, mask = 0004. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
Instruction RAM inbound-PIF request stall
|
||||
Value = 0, select = 4, mask = 0008. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
TIE port stall
|
||||
Value = 0, select = 4, mask = 0010. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
External RunStall signal status
|
||||
Value = 0, select = 4, mask = 0020. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
Uncached fetch stall
|
||||
Value = 1, select = 4, mask = 0040. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
FastL32R stall
|
||||
Value = 0, select = 4, mask = 0080. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
Iterative multiply stall
|
||||
Value = 0, select = 4, mask = 0100. Instruction-related and Other Glob
|
||||
alStall cycles.
|
||||
Iterative divide stall
|
||||
Value = 0, select = 5, mask = 0001. Exceptions and Pipeline Replays.
|
||||
Other Pipeline Replay (i.e. excludes cache miss etc.)
|
||||
Value = 0, select = 5, mask = 0002. Exceptions and Pipeline Replays.
|
||||
Level-1 interrupt
|
||||
Value = 0, select = 5, mask = 0004. Exceptions and Pipeline Replays.
|
||||
Greater-than-level-1 interrupt
|
||||
Value = 0, select = 5, mask = 0008. Exceptions and Pipeline Replays.
|
||||
Debug exception
|
||||
Value = 0, select = 5, mask = 0010. Exceptions and Pipeline Replays.
|
||||
NMI
|
||||
Value = 0, select = 5, mask = 0020. Exceptions and Pipeline Replays.
|
||||
Window exception
|
||||
Value = 0, select = 5, mask = 0040. Exceptions and Pipeline Replays.
|
||||
Allocate exception
|
||||
Value = 0, select = 5, mask = 0080. Exceptions and Pipeline Replays.
|
||||
Other exceptions
|
||||
Value = 0, select = 5, mask = 0100. Exceptions and Pipeline Replays.
|
||||
HW-corrected memory error
|
||||
Value = 0, select = 6, mask = 0001. Hold and Other Bubble cycles.
|
||||
Processor domain PSO bubble
|
||||
Value = 0, select = 6, mask = 0004. Hold and Other Bubble cycles.
|
||||
R hold caused by Data Cache miss(unused)
|
||||
Value = 0, select = 6, mask = 0008. Hold and Other Bubble cycles.
|
||||
R hold caused by Store release
|
||||
Value = 0, select = 6, mask = 0010. Hold and Other Bubble cycles.
|
||||
R hold caused by register dependency
|
||||
Value = 0, select = 6, mask = 0020. Hold and Other Bubble cycles.
|
||||
R hold caused by MEMW, EXTW or EXCW
|
||||
Value = 0, select = 6, mask = 0040. Hold and Other Bubble cycles.
|
||||
R hold caused by Halt instruction (TX only)
|
||||
Value = 322, select = 6, mask = 0080. Hold and Other Bubble cycles.
|
||||
CTI bubble (e.g. branch delay slot)
|
||||
Value = 0, select = 6, mask = 0100. Hold and Other Bubble cycles.
|
||||
WAITI bubble i.e. a cycle spent in WaitI power down mode.
|
||||
Value = 417, select = 7, mask = 0001. Instruction TLB Accesses (per inst
|
||||
ruction retiring).
|
||||
ITLB Hit
|
||||
Value = 0, select = 7, mask = 0002. Instruction TLB Accesses (per inst
|
||||
ruction retiring).
|
||||
Replay of instruction due to ITLB miss
|
||||
Value = 0, select = 7, mask = 0004. Instruction TLB Accesses (per inst
|
||||
ruction retiring).
|
||||
HW-assisted TLB Refill completes
|
||||
Value = 0, select = 7, mask = 0008. Instruction TLB Accesses (per inst
|
||||
ruction retiring).
|
||||
ITLB Miss Exception
|
||||
Value = 0, select = 8, mask = 0001. Instruction Memory Accesses (per i
|
||||
nstruction retiring).
|
||||
Instruction Cache Hit
|
||||
Value = 0, select = 8, mask = 0002. Instruction Memory Accesses (per i
|
||||
nstruction retiring).
|
||||
Instruction Cache Miss
|
||||
Value = 420, select = 8, mask = 0004. Instruction Memory Accesses (per i
|
||||
nstruction retiring).
|
||||
All InstRAM or InstROM accesses
|
||||
Value = 0, select = 8, mask = 0008. Instruction Memory Accesses (per i
|
||||
nstruction retiring).
|
||||
Bypass (i.e. uncached) fetch
|
||||
Value = 3, select = 9, mask = 0001. Data TLB Accesses.
|
||||
DTLB Hit
|
||||
Value = 0, select = 9, mask = 0002. Data TLB Accesses.
|
||||
Replay of load/store due to DTLB miss
|
||||
Value = 0, select = 9, mask = 0004. Data TLB Accesses.
|
||||
HW-assisted TLB Refill completes
|
||||
Value = 0, select = 9, mask = 0008. Data TLB Accesses.
|
||||
DTLB Miss Exception
|
||||
Value = 0, select = 10, mask = 0001. Load Instruction (Data Memory).
|
||||
Data Cache Hit(unused)
|
||||
Value = 0, select = 10, mask = 0002. Load Instruction (Data Memory).
|
||||
Data Cache Miss(unused)
|
||||
Value = 3, select = 10, mask = 0004. Load Instruction (Data Memory).
|
||||
Load from local memory i.e. DataRAM, DataROM, InstRAM, InstROM
|
||||
|
||||
Value = 0, select = 10, mask = 0008. Load Instruction (Data Memory).
|
||||
Bypass (i.e. uncached) load
|
||||
Value = 0, select = 13, mask = 0001. Load Instruction (Data Memory).
|
||||
Data Cache Hit(unused)
|
||||
Value = 0, select = 13, mask = 0002. Load Instruction (Data Memory).
|
||||
Data Cache Miss(unused)
|
||||
Value = 0, select = 13, mask = 0004. Load Instruction (Data Memory).
|
||||
Load from local memory i.e. DataRAM, DataROM, InstRAM, InstROM
|
||||
|
||||
Value = 0, select = 13, mask = 0008. Load Instruction (Data Memory).
|
||||
Bypass (i.e. uncached) load
|
||||
Value = 0, select = 16, mask = 0001. Load Instruction (Data Memory).
|
||||
Data Cache Hit (unused)
|
||||
Value = 0, select = 16, mask = 0002. Load Instruction (Data Memory).
|
||||
Data Cache Miss (unused)
|
||||
Value = 0, select = 16, mask = 0004. Load Instruction (Data Memory).
|
||||
Load from local memory i.e. DataRAM, DataROM, InstRAM, InstROM
|
||||
|
||||
Value = 0, select = 16, mask = 0008. Load Instruction (Data Memory).
|
||||
Bypass (i.e. uncached) load
|
||||
Value = 0, select = 11, mask = 0001. Store Instruction (Data Memory).
|
||||
Data Cache Hit (unused)
|
||||
Value = 0, select = 11, mask = 0002. Store Instruction (Data Memory).
|
||||
Data Cache Miss (unused)
|
||||
Value = 0, select = 11, mask = 0004. Store Instruction (Data Memory).
|
||||
Store to local memory i.e. DataRAM, InstRAM
|
||||
Value = 0, select = 11, mask = 0008. Store Instruction (Data Memory).
|
||||
PIF Store
|
||||
Value = 0, select = 14, mask = 0001. Store Instruction (Data Memory).
|
||||
Data Cache Hit(unused)
|
||||
Value = 0, select = 14, mask = 0002. Store Instruction (Data Memory).
|
||||
Data Cache Miss(unused)
|
||||
Value = 0, select = 14, mask = 0004. Store Instruction (Data Memory).
|
||||
Store to local memory i.e. DataRAM, InstRAM
|
||||
Value = 0, select = 14, mask = 0008. Store Instruction (Data Memory).
|
||||
PIF Store
|
||||
Value = 0, select = 17, mask = 0001. Store Instruction (Data Memory).
|
||||
Data Cache Hit (unused)
|
||||
Value = 0, select = 17, mask = 0002. Store Instruction (Data Memory).
|
||||
Data Cache Miss (unused)
|
||||
Value = 0, select = 17, mask = 0004. Store Instruction (Data Memory).
|
||||
Store to local memory i.e. DataRAM, InstRAM
|
||||
Value = 0, select = 17, mask = 0008. Store Instruction (Data Memory).
|
||||
PIF Store
|
||||
Value = 0, select = 12, mask = 0001. Accesses to Data Memory (Load, Sto
|
||||
re, S32C1I, ...).
|
||||
Cache Miss
|
||||
Value = 0, select = 15, mask = 0001. Accesses to Data Memory (Load, Sto
|
||||
re, S32C1I, ...).
|
||||
Cache Miss
|
||||
Value = 0, select = 18, mask = 0001. Accesses to Data Memory (Load, Sto
|
||||
re, S32C1I, ...).
|
||||
Cache Miss
|
||||
Value = 415, select = 22, mask = 0001. Multiple Load/Store.
|
||||
0 stores and 0 loads
|
||||
Value = 3, select = 22, mask = 0002. Multiple Load/Store.
|
||||
0 stores and 1 loads
|
||||
Value = 0, select = 22, mask = 0004. Multiple Load/Store.
|
||||
1 stores and 0 loads
|
||||
Value = 0, select = 22, mask = 0008. Multiple Load/Store.
|
||||
1 stores and 1 loads
|
||||
Value = 0, select = 22, mask = 0010. Multiple Load/Store.
|
||||
0 stores and 2 loads
|
||||
Value = 0, select = 22, mask = 0020. Multiple Load/Store.
|
||||
2 stores and 0 loads
|
||||
Value = 0, select = 23, mask = 0001. Outbound PIF.
|
||||
Castout
|
||||
Value = 0, select = 23, mask = 0002. Outbound PIF.
|
||||
Prefetch
|
||||
Value = 0, select = 24, mask = 0001. Inbound PIF.
|
||||
Data DMA
|
||||
Value = 0, select = 24, mask = 0002. Inbound PIF.
|
||||
Instruction DMA
|
||||
Value = 0, select = 26, mask = 0001. Prefetch.
|
||||
I prefetch-buffer-lookup hit
|
||||
Value = 0, select = 26, mask = 0002. Prefetch.
|
||||
D prefetch-buffer-lookup hit
|
||||
Value = 0, select = 26, mask = 0004. Prefetch.
|
||||
I prefetch-buffer-lookup miss
|
||||
Value = 0, select = 26, mask = 0008. Prefetch.
|
||||
D prefetch-buffer-lookup miss
|
||||
Value = 0, select = 26, mask = 0020. Prefetch.
|
||||
Direct fill to (L1) Data Cache (unused)
|
||||
Value = 0, select = 27, mask = 0001. iDMA.
|
||||
active cycles
|
||||
Value = 0, select = 28, mask = 0001. Length of Instructions.
|
||||
16-bit
|
||||
Value = 0, select = 28, mask = 0002. Length of Instructions.
|
||||
24-bit
|
||||
Value = 0, select = 28, mask = 0004. Length of Instructions.
|
||||
32-bit
|
||||
Value = 0, select = 28, mask = 0008. Length of Instructions.
|
||||
40-bit
|
||||
Value = 0, select = 28, mask = 0010. Length of Instructions.
|
||||
48-bit
|
||||
Value = 0, select = 28, mask = 0020. Length of Instructions.
|
||||
56-bit
|
||||
Value = 0, select = 28, mask = 0040. Length of Instructions.
|
||||
64-bit
|
||||
Value = 0, select = 28, mask = 0080. Length of Instructions.
|
||||
72-bit
|
||||
Value = 0, select = 28, mask = 0100. Length of Instructions.
|
||||
80-bit
|
||||
Value = 0, select = 28, mask = 0200. Length of Instructions.
|
||||
88-bit
|
||||
Value = 0, select = 28, mask = 0400. Length of Instructions.
|
||||
96-bit
|
||||
Value = 0, select = 28, mask = 0800. Length of Instructions.
|
||||
104-bit
|
||||
Value = 0, select = 28, mask = 1000. Length of Instructions.
|
||||
112-bit
|
||||
Value = 0, select = 28, mask = 2000. Length of Instructions.
|
||||
120-bit
|
||||
Value = 0, select = 28, mask = 4000. Length of Instructions.
|
||||
128-bit
|
||||
```
|
||||
</details>
|
||||
|
||||
JX instructions
|
||||
CALLXn instructions
|
||||
return instructions (RET, RETW, ...)
|
||||
supervisor return instructions (RFDE, RFE, RFI, RFWO, RFWU)
|
||||
Conditional branch instructions where execution
|
||||
transfers to the target (aka. taken branch),
|
||||
or loopgtz/loopnez instr where execution skips
|
||||
the loop (aka. not-taken loop)
|
||||
J instr
|
||||
CALLn instr
|
||||
Conditional branch instr where execution
|
||||
falls through (aka. not-taken branch)
|
||||
Loop instr where execution falls into loop (aka. taken loop)
|
||||
Last inst of loop and execution transfers
|
||||
to LBEG (aka. loopback taken)
|
||||
Last inst of loop and execution falls
|
||||
through to LEND (aka. loopback fallthrough)
|
||||
Non-branch instr (aka. non-CTI)
|
||||
Value = 3, select = 10, mask = 0004. Load Instruction (Data Memory).
|
||||
Load from local memory i.e. DataRAM, DataROM, InstRAM, InstROM
|
||||
2. Example calls the second test, which runs the same function under tests. This time, a user-provided list of metrics is measured.
|
||||
|
||||
Value = 0, select = 11, mask = 0004. Store Instruction (Data Memory).
|
||||
Store to local memory i.e. DataRAM, InstRAM
|
||||
Value = 321, select = 6, mask = 01ed. Hold and Other Bubble cycles.
|
||||
Processor domain PSO bubble
|
||||
R hold caused by Data Cache miss(unused)
|
||||
R hold caused by Store release
|
||||
R hold caused by MEMW, EXTW or EXCW
|
||||
R hold caused by Halt instruction (TX only)
|
||||
CTI bubble (e.g. branch delay slot)
|
||||
WAITI bubble i.e. a cycle spent in WaitI power down mode.
|
||||
Value = 0, select = 6, mask = 0010. Hold and Other Bubble cycles.
|
||||
R hold caused by register dependency
|
||||
Value = 0, select = 1, mask = 0001. Overflow of counter.
|
||||
Overflow counter
|
||||
I (1788) example: The End
|
||||
<details><summary>Example log output:</summary>
|
||||
|
||||
```
|
||||
I (1588) example: Start test with user defined statistic
|
||||
Value = 743, select = 0, mask = 0001. Counts cycles.
|
||||
Amount of cycles
|
||||
Value = 417, select = 2, mask = 8dff. Successfully Retired Instructions.
|
||||
|
||||
JX instructions
|
||||
CALLXn instructions
|
||||
return instructions (RET, RETW, ...)
|
||||
supervisor return instructions (RFDE, RFE, RFI, RFWO, RFWU)
|
||||
Conditional branch instructions where execution
|
||||
transfers to the target (aka. taken branch),
|
||||
or loopgtz/loopnez instr where execution skips
|
||||
the loop (aka. not-taken loop)
|
||||
J instr
|
||||
CALLn instr
|
||||
Conditional branch instr where execution
|
||||
falls through (aka. not-taken branch)
|
||||
Loop instr where execution falls into loop (aka. taken loop)
|
||||
Last inst of loop and execution transfers
|
||||
to LBEG (aka. loopback taken)
|
||||
Last inst of loop and execution falls
|
||||
through to LEND (aka. loopback fallthrough)
|
||||
Non-branch instr (aka. non-CTI)
|
||||
Value = 3, select = 10, mask = 0004. Load Instruction (Data Memory).
|
||||
Load from local memory i.e. DataRAM, DataROM, InstRAM, InstROM
|
||||
|
||||
Value = 0, select = 11, mask = 0004. Store Instruction (Data Memory).
|
||||
Store to local memory i.e. DataRAM, InstRAM
|
||||
Value = 321, select = 6, mask = 01ed. Hold and Other Bubble cycles.
|
||||
Processor domain PSO bubble
|
||||
R hold caused by Data Cache miss(unused)
|
||||
R hold caused by Store release
|
||||
R hold caused by MEMW, EXTW or EXCW
|
||||
R hold caused by Halt instruction (TX only)
|
||||
CTI bubble (e.g. branch delay slot)
|
||||
WAITI bubble i.e. a cycle spent in WaitI power down mode.
|
||||
Value = 0, select = 6, mask = 0010. Hold and Other Bubble cycles.
|
||||
R hold caused by register dependency
|
||||
Value = 0, select = 1, mask = 0001. Overflow of counter.
|
||||
Overflow counter
|
||||
I (1788) example: The End
|
||||
|
||||
```
|
||||
</details>
|
||||
|
|
Ładowanie…
Reference in New Issue